<template>
    <div class="login_001">
        <div class="login_box">
            <div class="login_002">
                <img src="../assets/logo.png" alt="">
            </div>
            <el-form ref="loginFormRef" :model="loginForm"  label-width="0px" :rules="loginFormRules"  class="login_form">
                <el-form-item prop="username" >
                    <el-input v-model='loginForm.username' prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click='resetLoginForm'>重置</el-button>
                </el-form-item>
                <el-form-item class="btns">
                   <span>{{loginForm.msg}}</span>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<style lang="less" scoped>
    .login_001 {
        background: #2b4b6b;
        height: 100%;
        
    }
    .login_box {
         width: 550px; 
         height: 420px;
         background: #fff;
         position: absolute;
         left: 50%;
         top:50%;
        transform: translate(-50%,-50%)
   }
   .login_002 {
       width: 140px;
       height: 140px;
       background: #fff;
       box-shadow: 0 0 10px #eee;
       border-radius: 50%;
       position: absolute;
       left: 50%;
       transform: translate(-50%,-50%);
       padding:10px;
       img {
           border-radius: 50%;
           height: 100%;
           background: #eee;
       }
   }
   .login_form {
      
       position: absolute;
       bottom: 100px;
       width: 100%;
       padding: 0 20px;
       box-sizing: border-box;
       
   }
   .btns {
      
    display: flex;
    justify-content: flex-end;
}
</style>
<script>
import { async } from 'q';
export default {
     data(){
        return{
       
            loginForm:{
                username:'admin',
                password:'123456',
                msg:''
            },
            loginFormRules:{
                //验证账号是否合法
                username: [
                    { required: true, message: '请输入登录名称', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                // 验证密码是否合法
                 password: [
                    { required: true, message: '请输入登录密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ]
            }
        }
        
    },
    methods:{
       
        resetLoginForm(){
            
          this.$refs.loginFormRef.resetFields()
        },
        
        login(){
            
            this.$refs.loginFormRef.validate(async valic=>{
               if(!valic) return;
             const {data:res} =await this.$http.post('login',this.loginForm);
             if(res.meta.status!==200) return  this.$message.error(res.meta.msg);
             
             this.$message.success(res.meta.msg);
             
                window.sessionStorage.setItem('token', res.data.token)
                
                this.$router.push('/home')
            })
        }
    },
    
    
    
    
    
    
    
    
}
</script>

